Jaraxxus has always been one of my favourite cards, the jarax transformation is just so much more satisfying than just changing the portrait and slapping 5 armor on top of it. So here's my take on what hero cards should have been ;)

Low health is balanced out by druid's armor gain and the fact that you can control the exact moment of Ysera's awakening.

This minion is
Skycap'n Kragg
getting
Evolve
d . Basically the Quest condition becomes having no duplicates in your deck and running a 8 mana 6/6 taunt instead of the usual quest requirements. Clownfiesta ensues as you cant pick what are the 3 quests that will be presented to you and your opponent can't play around everything.